Canon NP6251 Service Manual page 59

Inputs to the DC Controller (5/8)
Left deck open/closed
sensor
Upper right door
sensor
Lower right door
sensor
Multifeeder door
sensor
Fixing assembly outlet
paper sensor
Scanner locked
sensor
Left deck outlet paper
sensor
Cassette 3 open/
closed sensor
Cassette 4 open/
closed sensor
Claw jam sensor
Fixing/feeding unit
sensor
Potential
measurement sensor
COPYRIGHT © 1997 CANON INC.
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J845-1 J844-3
-2 -2
PS40
-3 -1
J839-1 J838-5
-2 -4
PS41
-3 -3
J840-1 -8
-2 -7
PS42
-3 -6
J725-1 J7252-1
-2 -2
PS46
-3 -3
J2748-1 J7255-35
-2 -36
PS47
-3 -37
J7741-1 J7741-3
-2 -2
PS48
-3 -1
J8492-1 J8442-6
-2 -5
PS49
-3 -4
J1811-1 J809-8
-2 -7
PS50
-3 -6
J1818-1 J816-8
-2 -7
PS51
-3 -6
J7445-1 J2755-20
-2 -19
PS52
-3 -18
J957-1 J2756-5
-2 -4
PS53
-3 -3
Potential
Sensor
measurement
PCB
Figure 2-112
CANON NP6350/NP6251 REV.0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 2 BASIC OPERATION
DC controller PCB
+5V
When the left deck is open, '0'.
J121A-3
(When the light-blocking plate
LDEOP*
-2
is at PS40.)
/C2SS
-1
+5V
J119B-5
When the right door (upper) is
-4
open, '0'.
RUPDOP*
(When the light-blocking plate is
-3
at PS41.)
+5V
When the right door (lower) is
J119B-8
open, '0'.
-7
RLWDOP
(When the light-blocking plate is
-6
at PS42.)
+5V
When the door of the multifeeder
J105A-10
is closed, '1'.
-9
MFDC
(When the light-blocking plate is
-8
at PS46.)
+5V
When paper is present at the
J108B-5
outlet of the fixing assembly, '1'.
-4
(When copy paper is present
FXDEL
-3
at PS47.)
+5V
When the scanner locking
J114-15
solenoid (SL1) has turned on, '1'.
-14
SCLK
(When the light-blocking plate is
-13
at PS48.)
+5V
When paper is present at the
J121B-6
outlet of the left deck pick-up
-5
assembly, '1'.
LEXTPD
-4
(When paper is present at
PS49.)
+5V
J117B-8
When the grip of the cassette 3
-7
C3SS
is held, '1'.
-6
+5V
J130B-8
-7 When the grip of the cassette 4
C4SS
is held, '1'.
-6
+5V
J108A-20
When paper is present over the
-19 sensor, '1'.
PS52D
(When the light-blocking plate is
-18
at PS52.)
+5V
When the fixing/feeding unit (lever)
J108A-3
is set, '1'.
-2
FFUS
(When the light-blocking plate is
J108B-20
not at PS53.)
+24V
J103B-7
-8
POTON
See p. 4-4.
-9 POT
-10
2-17